Date: Tue, 21 Aug 2018 16:20:51 +0200 From: Marko Zec <zec@fer.hr> To: Olivier =?ISO-8859-1?Q?Cochard-Labb=E9?= <olivier@freebsd.org> Cc: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: Loading carp module crash i386 (12-ALPHA2), seems VNET related Message-ID: <20180821162051.4fd0f1eb@x23> In-Reply-To: <D948BD06-D627-4D9B-BFDA-AA1D077ECEFB@lists.zabbadoz.net> References: <CA%2Bq%2BTcqN-YAXKQuZPQcrjmgABJJ22Pm%2B9-B9%2BZ8LH==0o%2Bg2BA@mail.gmail.com> <20180821113051.7d35bc39@x23> <CA%2Bq%2BTcr=LXEQ1tzgycY5hhJ6X5CKvu2QgW1J-rvoGjsXyD=L8A@mail.gmail.com> <D948BD06-D627-4D9B-BFDA-AA1D077ECEFB@lists.zabbadoz.net>
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--MP_/4Myh3kMKzIkherxz0vVdmsw Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Content-Disposition: inline On Tue, 21 Aug 2018 13:15:04 +0000 "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> wrote: ... > From the backtrace it seems like VNET_PCPUSTAT_SYSINIT() or the > kernel linker, or possible pcpu things. People have recently been > touching almost all of this :( > > Do you have a last-good revision? Perhaps the PCPU area is overflowing? Maybe increasing the UMA_PCPU_ALLOC_SIZE could make the panic go away (this by no means should be considered a proper fix)? Marko --MP_/4Myh3kMKzIkherxz0vVdmsw Content-Type: text/x-patch Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="pcpu_overflow_hunch.diff" Index: sys/sys/pcpu.h =================================================================== --- sys/sys/pcpu.h (revision 338128) +++ sys/sys/pcpu.h (working copy) @@ -219,7 +219,7 @@ #endif #define curvidata PCPU_GET(vidata) -#define UMA_PCPU_ALLOC_SIZE PAGE_SIZE +#define UMA_PCPU_ALLOC_SIZE (PAGE_SIZE * 16) #ifdef CTASSERT #if defined(__i386__) || defined(__amd64__) --MP_/4Myh3kMKzIkherxz0vVdmsw--
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